GE ELEC/D-76/2023-24

Amount

S&F in replacement of LED Flood light fittings of capacity 100 Watt complete all as specified and directed by Engr-in-Charge.

S&F in replacement of LED Flood light fittings of capacity 150 Watt complete all as specified and directed by Engr-in-Charge.

S&F in replacement LED street light Fitting 70 watt LED, IP-66 protection, single peice pressure die cast aluminium housing high grade powder coated finish with heat resistant toughned clear glass cover for lamp and control gear compartment with high voltage surge protection device up to 4.5 KV, prewired conductor to fitting with 3 core 1.5 sqmm pvc insulated cable along with GI pipe bracket for street light fitting complete with 2.2 mtr long 50mm dia GI pipe medium grade and including necessary mild steel clamp , nuts,bolts and wahsers and painting on steel surfaces with two coats of aluminium paint over a coat of red oxide complete all as specified and directed by the Engg-in-Charge.

S&F in replacement bracket for street light fitting complete with 1.5 to 2.2 mtr long 32/40mm dia GI pipe medium grade with necessary mild steel clamp, nuts,bolts and washers including painting on steel surfaces with two coats of aluminium paint over a coat of red oxide complete as as specified and directed by the Engg-in-Charge.

Supply, drawing, connecting & testing in replacement of 3 core, 1.5 Sqmm PVC insulated and PVC rounded sheathed, copper conductor (flexible) industrial cable 1100 Volts grade conforming to IS-694 in steel tubular pole from KIOSK box to light fittings including PVC conduit of size 20mm bore with clamping (Wherever required) and providing suitable copper lugs complete all as specified and directed by the Engg-in-Charge.

Supply, installing, testing and commissioning in replacement of factory made and tested Bus bar chamber outdoor type with canopy made out of 3.15 mm CRCA MS sheet, and 40x40x5mm thick MS angle iron frame work, powder coated finish over one coat of red oxide primer on outside surface and painted inside with two coats of red oxide primer, front opening type, with apron for cable entry closing locking arrangement ,of size 450mm x 450mm x 300mm with 4 Nos 500 Amps aluminium bus bar and with 250 Amp MCCB, 4 pole, 36 KA, 415 Volt 50 Hz including excavation, earth work and platform for the Bus bar chamber with PCC 1:4:8 type D-2 with 40 mm graded crushed stone, 15 cm thick in foundation, brick work in CM 1:6 with sub class 'B', old size bricks, rendering 15 mm thick in CM 1:6 on exposed surfaces and 100 mm thick PCC padding 1:3:6, type C-1 using 20 mm graded crushed sotne aggregate on top and grouting bolts etc for Bus bar chamber. The platform shall be such that it is of a height 45 cm above the nearest road level.

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft loose soil for laying / taking up/ taking down of cables and getting out and levelling of bottom suface to required level complete all as specified and directed by the Engg- in- Charge.

Returning filling in, Including spreading, levelling, Watering and well ramming soil in layers not exceeding 25 cm thick complete all as specified and directed by the Engg-in-Charge.

Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point complete all as specified and directed by the Engg-in-Charge.

Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified and directed by the Engg-in-Charge.

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1, flat size 300mmx 180mm x 40mm complete all as specified and directed by the Engg-in-Charge.

Laying only old un-reinforced precast concrete cable cover complete all as specified and directed by the Engg-in-Charge.

Supplying, laying, jointing testing and connecting in replacement XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches fixed to pole, including jointing & testing complete all as specified and directed of following sizes:- Note :- Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately.

(a) 95 sqmm 3 core.

(b) 120 sqmm 3 core

(c) 150 sqmm 3 core

(d ) 185 sqmm 3 core

(e) 300 sqmm 3 core

Boring of hole under road/pavement/hard standing or any other situation by mannual means suitable for passing of GI pipe 40 to 100 mm bore and making good both ends complete all as specified and directed by the Engg-in-Charge.

S&F in replacement GI Pipe (light grade) with necessary accessories for cable protections fixed on pole or for crossing of culverts/nallah complete all as specified and directed by the Engg-in-Charge of the following bore sizes

Taking out faulty underground 11000 Volt HT cable of different sizes by excavation and removing PCC cover of any size and relaying in the same trenches or re routing after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil and using new bricks as required. Note:- (a) 11000 Volt HT cable & joints shall be measured and paid for seperately under respective items of schedule. (b) Retrieved old serviceable PCC cable cover will be laid in trenches for cable protection. If extra bricks and sand required at site shall be measured and paid separately under respective items of BOQs. (c) Excavation and earth work will be measured and paid for seperately under respective items of schedule.

S&F Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of the following size :-

(a) 95 Sqmm to 185 Sqmm, 3 core.

(b) 240 Sqmm to 300 Sqmm 3 core

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

(a) 95 Sqmm to 185 Sqmm, 3 core.

(b) 240 Sqmm to 300 Sqmm 3 core

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

(a) 95 Sqmm to 185 Sqmm, 3 core.

(b) 240 Sqmm to 300 Sqmm 3 core

S&F in replacement MCCBs of capacity 630 Amps, FP, 50 KA, 415 Volts 50 Hz, AC, with microprocessor release fixed in any type of existing LT panel/Feeder piller including taking out old existing unserviceable MCCB from panels etc complete all as specified and directed by the Engg-in-Charge.

Disconnecting electrically and mechanically indoor/outdoor transformers inside the substation or outdoor type on outside plinth upto 630 KVA capacity, carefully for major/minor repairs complete all as specified and directed by the Engg-in-Charge.

M&L for lifting of core assembly by opening of top cover and other items for checking of faults/repair and lowering/refixing the same in its original position after inspection to make it ready for transportation to carry out rewinding work in workshop including transportation of unservicieable transformer upto 630 KVA capacity to workshop (rate is deemed to be inclusive of transportation, T&P and men power) complete all as specified and directed by the Engg-in-Charge.

M&L for transportation of transformer of capacity upto 400 KVA from MES Yard to site location using Hydra/Crane and truck as per requirement to replace defective transformer including installation, testing and connecting at site repaired transformer and deposit the old transformer to MES Yard complete all as specified and directed by the Engg-in-Charge. Note:- Contractor must arrange for transportation and installation for replacement of transformer at site immediately after receipt of verbal/telephonic/written complaint from JE/Engr-in-Charge within 1 day. Any delay beyond 1 day post receipt of complaint shall be penalized @ Rs 2500/- per day and shall be recovered from next due RAR.

M&L for alternative arrangement by hiring, transportation incl installation and testing of transformer of capacity 500 to 630 KVA in place of unserviceable transformer on hire basis for 15 days including, installation, connecting and testing of transformer and return back after installation of repaired transformer complete all as specified and directed. Notes:- (i) Contractor must arrange hired transformer including transportation and installation at site immediately after receipt of verbal/telephonic/written complaint from JE/Engr-in-Charge within 1 day. Any delay beyond 1 day post receipt of complaint shall be penalized @ Rs 3500/- per day and shall be recovered from next due RAR. (ii) Repairing of transformer must be completed within 15 days after receipt of verbal/ telephonic/ written complaint from JE/Engr-in-Charge. In case of any delay, no extra claim will be entertained towards hiring charges beyond 15 days and the contractor shall not be allowed to shift the hired transformer until replaced by repaired transformer. In case of any kind of fault / defect occurred in hired transformer, the contractor shall have to arrange further replacement without any additional cost and shall repair the defect from his own expenses. (iii) Contractor should check the available infrastructure and to be sure regarding safety of hired transformer before installation. The rate quoted is deemed to be including transportation cost, earthing lead etc.

Taking out the unserviceable copper winding from transformer of capacity upto 400 KVA after opening top cover, and carrying out the following work complete all as specified and directed :- (a) Dismantling of all attachment viz breather assembly, conservator, oil temperature gauge, HT/LT bushing etc. and keeping aside for reuse.. (b) Taking out the core with winding assembly. (c) Removing of complete winding from core and dismantling the core, cleaning of core laminate sheet and keeping aside for reuse (d) Cleaning of complete transformer tank oil fins, removing of sludge, and making the inside surface of tank dry by blowing of hot air as directed and specified. (e) Painting of outside surfaces of transformer complete by means of spray machine as directed.

All as per item No 27 here-in -before but capacity of transformer 500 to 630 KVA complete all as specified and directed by the Engg-in-Charge.. Note for Item No 27 & 28 : - In case the defective transformer is not repaired & installed at site within the specified period of 15 days from the date of handing over of defective transformer/complaint to contractor, a penalty recovery @ Rs 2500/- per day will be charged from his dues.

(a) Repairs to the transformer of capacity upto 400 KVA as follows :- (i) Rewinding of HT/LT leg coil complete using copper wire /strip of appropriate gauge, size and turn as per existing with double paper coated insulation including all requisite insulating materials like packing sleeves, separator, tapes etc. heating, varnishing the core and winding assembly after framing up top and bottom steel structure of transformer all as specified and directed. (ii) Replacement of all insulating materials other than incorporated for rewinding of HT/LT coils as per existing. (iii) Fixing only HT procelain bushing with studs, nuts, washers 3 Nos. and LT procelain bushing with studs, nuts, and washers 4 Nos. and connection with primary and secondary windings and reconnecting with the main terminals as required and directed. (iv) Fixing only breather assembly, conservator, oil temperature gauge after proper cleaning, minor repairs etc. as required and directed. (v) Replacement of all unserviceable gasket from top cover, HT/LT bushing with new one by using rubberised gasket sheet 4.0mm/6.0mm thick duly pasted with suitable adhesive . (vi) Replacement of unserviceable bolts with new one and fixing of existing serviceable bolts, nuts, washers of different sizes and tightening properly. (vii) Repositioning of core and winding assembly inside the tank, assembling complete unit and making the transformer ready for filling oil and subsequent testing as directed. (viii) Filling/topping up of new transformer oil of required quantities .

(b) M&L for transportation of repaired transformer to the original position (from where taken-down), disconnecting the alternative transformer, taking down the same, Re-installation of repaired indoor/outdoor transformer on 4/6 pole structure/plinth/inside sub station, connecting electrically and mechanically, testing and commissioning complete all as specified and directed. (c) The following routine test as per IS 2026 (Part I) -1977 shall be carried out at repairing workshop/manufacturer having NABL Lab accredition and valid calibration of test equipments and shall submit MOU with any repairing workshop/manufacturer as per format attached along with quoted tender, bid shall be rejected in case of non submission of MOU/MOU from non qualified repair workshop/manufacturer : (i) Measurement of winding resistance. (ii) Measurement of voltage ratio and check of voltage vector relationship. (iii) Measurement of impedance voltage/short circuit impedance (principal tapping) and load loss . (iv) Measurement of no load loss and current. (v) Measurement of insulation resistance. (vi) Dielectric tests (d) The contractor shall give written warranty of one year from the date of sucessfull testing and installation of transformer. The contractor shall submit test report from repair workshop/manufacturer for above mentioned test. Note :-HT/LT leg coils copper wire/strip and transformer oil required shall be measured and paid separately under relevant items of this Schedule here-in-after as supply only.

All as per item No 29 here-in -before but capacity of transformer 500 to 630 KVA complete all as specified and directed by the Engg-in-Charge.

Supply only HT coils with super enamelled copper wire /DPC of high quality duly matching with the existing guage and impedance complete all as specified and directed by the Engg-in-Charge.

Supply only LT coils with super enamelled copper wire strip/DPC of high quality duly matching with the existing guage and impedance complete all as specified and directed by the Engg-in-Charge.

M&L for ON load Centrifuging and dehydration including filteration and cleaning of transformer oil by dehydration machine of 11/0.433 KV transformer installed at various site on plinth/4/6 pole structure of any capacity and topping up deficient transformer oil including testing of samples before and after dehydration and filteration complete all as specified and directed by the Engg-in-Charge. Note:- Deficient quantity of Transformer oil required for top up shall be measured and paid separately under respective item as supply only.

Supply only transformer oil of approved quality as per IS having dielectric strength of 45-60 KV in 2.5mm gap for filling in transformer or for topping up as required complete all as specified and directed by the Engg-in-Charge.

S&F in replacement, Porcelain Transformer bushing on LT (440 Volt) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 400 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed by the Engg-in-Charge. Note:- The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers and provision of pad type bus bar almuminium of approppiate size /capacities of transformers with nut bolt & washers.

All as per Serial item No 35 here-in-before but capacity 500 KVA to 630 KVA complete all as specified and directed by the Engg-in-Charge.

S&F in replacement, Porcelain Transformer bushing on HT (11 KV) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 400 KVA and connecting electrically and mechanically, testing complete all as specified and directed by the Engg-in-Charge. Note:- The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers and connections.

All as per Serial item No 37 here-in-before but 500 KVA to 630 KVA complete all as specified and directed by the Engg-in-Charge.

S&F in replacement, all unserviceable gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 400 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed by the Engg-in-Charge. Note:- The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers etc.

All as per Serial item No 39 here-in-before but 500 KVA to 630 KVA complete all as specified and directed by the Engg-in-Charge.

S&F in replacement, Silica Gel Breather assembly including vent pipe and Silica Gel for indoor/outdoor transformers of capacity upto 400 KVA complete all as specified and directed by the Engg-in-Charge.

All as per Serial item No.41 here-in-before but for capacity 500 KVA to 630 KVA complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Thermometer of transformer upto capacity 630 KVA complete all as specified and directed by the Engg-in-Charge.

M&L for painting of transformer installed on plinth/4/6 pole structures at various site of capacity upto 630 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of SM No, MES and capacity of transformer complete all as specified and directed by the Engg-in-Charge.

M&L for Earthing in replacement with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 3.5 m below normal ground level) with top edge of earth plate not less than 2.5m below normal ground level, connected to galvanized iron strip 32X6 mm by means of electric arc welding of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test point and the equipment on the other side complete all as specified, including testing and commissioning complete all as directed. Note : - (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40 mm bore GI pipe light grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI earthing and protection pipe upto 7.5 meter beyond the earth plates electrode.

S&F in replacement 32x6mm galvanised iron strip for earth continuity conductor for earthing of transformer, GOD, 4/6 pole, structure etc complete all as specified and directed by the Engg-in-Charge.

M&L for cutting and removing grass, vegetation bushes etc from surrounding 4 pole/6 pole HT structure, outside area of HT/LT installation and removing all rubbish to a distance not exceeding 50 m complete all as specified and directed by the Engg-in-Charge.

Disconnecting electrically & mechanically outdoor transformers upto 630 KVA capacity, lowering down/getting out from plinth carefully for repairing/making of plinth of transformer and re- connecting electrically and mechanically after repairing/making of plinth , testing and commissioning complete all as specified and directed by the Engg-in-Charge. Note:- (a) Rate is deemed to be inclusive for hydra/crane, men power, and other items required for temp energization of transformer. (b) M&L used to repair the Plinth shall be measured and paid separetely under items of sch of work here-in -after.

M&L for brick masonry platform (suitable for 100 to 630 KVA transformer) having size 2.5 mtr x 2.5 mtr and total height 1.6 M (0.45 M below ground level including excavation and earth work, 1.15M above ground level including RCC slab 150 mm on top and refilling of sand/soil), PCC 1:4:8 type D-2 in foundation, sub class 'B' brick work in CM 1:4, 15mm thick rendering in CM 1:6 on all sides of platform upto 150 mm below ground level, supply and fixing of 02 Nos MS channels of suitable size for balancing of transformer, embedded in PCC 1:2:4 type B-1 up to 150mm thick RCC slab, including provn of stair case on one side complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of MS angle iron, flat, Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one coat of primer under 02 coats of synthetic enamel paint complete all as specified and directed by the Engg-in-Charge.

S&F in replacement 3.15mm dia MS wire 75x75mm mesh , made up into mattress or cages appx 2.00 mtr height and fixed with flate iron /angle by welding in position complete all as specified and directed by the Engg-in-Charge.

M&L for 2 coat of synthetic enamel painting over a coat of red oxide to MS wire fencing including preparation of old surface complete all as specified and directed by the Engg-in-Charge.

Supply and fill in replacement silica gel in breather of transformer complete all as specified and directed by the Engg-in-Charge.

S&F in replacement aluminium pad clamp suitable for 11 KV transformer upto 630 KVA as required on site 6mm to 10mm thick complete all as specified and directed by the Engg-in-Charge.

S&F in replacement ACB 4 pole, 800 Amp, 50 KA, 415 Volt AC Horizontal draw out type , front operated with Micro processor based LCD protection release for adjustable over current, short circuit and earth fault protection complete all as specified and directed by the Engg-in-Charge.

S&F in replacement On load change over switch open execution of capacity 630 Amps, 4 pole , 415 volt ,50 Hz fixed in any type of existing LT panel/Feeder piller including taking out old existing unserviceable changeover from panels etc complete all as specified and directed by the Engg-in-Charge.

S&F in replacemet On load change over switch open execution of capacity 400 Amps, 4 pole, 415 volt , 50 Hz fixed in any type of existing LT panel/Feeder piller including taking out old existing unserviceable changeover from panels etc complete all as specified and directed by the Engg-in-Charge.

M&L for servicing/testing of breaker/control panel including CT, PT and relays in control panel of VCB of capacity 1250 /800/630 Amps and rating 11 KV complete as details mentioned as under:- (a) Details of servicing of breaker :- (i) Adjustment of mechanism if required. (ii) Clean the circuit breaker to remove dust and dirt. The envelope of the vacuum interrupter and insulating materials shall be wiped with a clean cloth. (iii) Apply a small amount of oil to rotary sections, sliding surfaces, pins, coupling section, etc.use grease for the operating shaft and bearings, and machine oil for other parts. (iv) Check for rust and wear. (v) Check Spring Tension and pitting of the Cluster Contacts. (vi) Visual check for rust and deformation. (vii) Check for loosened bolts and nuts, broken spring washers and snap pins etc. (viii) Check for loosened connections, rust, damaged lead wires. (ix) Check whether the contacts are damaged by arcing. (x) Checking of control circuit & tighten the connections if any. (xi) Check close & trip coil. (xii) Checking of Jaw Contacts Conditions and repair/adjust. (xiii) Replace the jaw contacts,If required. (xiv) Improvement of resistance of epoxy insulator and epoxy body by applying post heated varnish. (xv) Replacement of Dashpot/shock absorbers . (xvi) Replacement of carbon brush of spring charging motor

(b) The following test shall be carried out:- (i) Primary Injection Test of CT / PT (ii) Closing & Opening Timing Test for all three poles. (iii) IR Test with megger in open and closed condition. (iv) Contact resistance test for all three poles (v) Closing coil resistance (vi) Tripping coil resistance. (c) Testing of following relays of control panel with Secondary Injection Kit ,checking and programming of relay:- (i) Over current and earth fault relay (d) Testing of followig Aux relay (i) DC Supply supervision relay. (ii) Master trip relay

Supplying, fixing & testing in replacement master trip relay, 50/24 Volt DC in control panel including wiring complete all as specified and directed by the Engg-in-Charge.

Supplying, fixing & testing in replacement Trip circuit supervision relay, 50/24 Volt DC in control panel including wiring complete all as specified and directed by the Engg-in-Charge.

Supplying, fixing & testing in replacement DC supervision relay relay, 50/24 Volt DC in control panel including wiring complete all as specified and directed by the Engg-in-Charge.

Supplying, fixing, testing of SF 6 gas pressure supervision relay, 50/24 Volt DC in control panel including wiring complete all as specified and directed by the Engg-in-Charge.

Supply, installation and testing in replacement Numerical Relay draw out type in HT 11 KV VCB Panel comprising of new and modern numerical scheme for detecting, indicating and tripping the breaker on faults over-current and earth-fault in any of the three phases, Trip circuit supervision relay, 5% pick up for OC and 5% for EF. The relay shall also have the following features as minimum:- (i) Programmable rated current 1A & 5A, (ii) Last 8 fault record & 200 event record with time stamping, (iii) 4 analog CT & 3 PT input, 8 DI & 8 DO, (iv) Communicable on IEC61850 protocol, (v) Disturbance recording upto 300 cycles, (vi) Self supervision function. The relay shall be fully integrated with the feeder, internally capturing feeder statuses if available including Breaker On, Off, Spring Chrgd, Test, Service, AC-Fail, Trip circuit healthy relay, PT supervision, inter panel tripping, Master trip relay, local remote and display the same locally on a built-in LCD screen and suitably labeled status LEDs. Relay shall have facility to locally Trip/Close the breaker as a backup to TNC switch provided separately on the panel. The relay shall be fixed on new 2mm CRCA sheet of matching existing VCB panel color and suitable size covering all blank space formed by removing old mechanical type IDMT relay complete including associated wiring and integration with existing HT VCB panel complete all as specified and directed.,

M&L for Preparation of old painted surfaces of steel by brushing/cleaning stain, greasy spots with thinner, applying two coats of synthetic enamel paint by spray machine on all sides of 11 KV VCB panel including writing of MES /SM No and details of feeder on graphic plastic sheet complete all as specified and directed by the Engg-in-Charge.

M&L in replacement Retro Reflective installation sign boards of size 5x4 feet fabricated out of 16 gauge MS sheet frame duly welded/riveted with MS square pipe of size 25x25mm at height 2.00 meter above ground level on stainless steel heavy duty pipe of size 50mm bore embaded 60 CM in PCC 1:2:4 type B-1 block of size 45cmx45cmx60cm including necessary excavation and earth work .The steel portion of the board shall be painted in stove enameled paint and the front & back of the frame shall be overall sheathed with blue colour base painter adhesive tape. The wiriting matter will be in English language on both sides with reflective adhesive painter tapes complete all as specified and directed by the Engg-in-Charge.

Supply installation & commissioning in replacement of 24V/40A Float Cum Boost Battery Charger unit including battery bank comprising 02 Nos of 12 Volts-100 AH sealed maintenance free battery. The CCCV battery charger consisting of copper wound, air cooled transformer, 01 Set single phase full wave bridge rectifier consisting of diodes and SCRs, liberally rated mounted on heat sink and complete with resistor/condenser network for surge supperssion . During auto float mode automatic changeover shall take place from float mode to boost mode and vice versa, 01 Set of solid state constant potential controller to stabilize the DC output voltage of the float cum boost charger, 01 No electronic controller , DC digital ammeter , DC digital voltmeter, Potentiometer , DC, MCB for reverse battery protection . The charger should have alarm annunciation with visual and audible alarm with manual reset facility for fuse fail alarm. Float cum boost battery charger and DC distribution board shall be housed in powder coated sheet steel cubicle with panels of 1.6mm thickness , louvers for ventilation , gland plate will be provided for cable entry from bottom . The battery charger shall be divided into two compartments. The upper compartment shall house the battery charger & DCDB with all necessary controls. The lower compartment shall be suitable for housing the batteries. Tech specification shall be as under:- (a) Input working voltage-180 -270 Volts (b) Nominal Input Voltage - 230 V , AC , 50 Hz,1 (c) On load input power factor - > 0.8 (d) On load unit watt efficiencies-> 80% (e) No load losses of complete charge-< 10% (f) Ripple contents on the load (RMS)= 1% to 5% (g) Over load - 110% for 30 minutes and will give visual indication for over load condition. (h) Boost charging - 2.4 V/Cell . (j) Float charging -2.15 V/Cell (k) Float cum boost charging-Automatically changes from one state to another state as per battery condition and will give the visual indication for either float or boost based on charging mode. (l) Reverse polarity -No damage will caused. A visual indication for reverse polarity will appear with an audio alarm. (m) Short circuit-MCB protecton provided.

Supplying, fixing & testing in replacement PT fuse failure relay, 50/24 Volt DC in control panel including wiring complete all as specified and directed by the Engg-in-Charge.

S&F mild steel chequered plates Fe410-10-W (Gde-E-250) quality on cable pit of sizes as required on site 6mm to 10mm thick including taking out old unsv RCC duct cover complete all as specified and directed by the Engg-in-Charge.

Disconnecting HT supply from 11 KV, 630 Amps RMU, 9 way and servicing and overhauling of RMU , checking of tripping mechanism , greasing of moving contacts , cleaning of carbon from main contacts, checking of spring tension ,Checking of loosened bolts and nuts, checking of loosened connections, rust, damaged lead wires, checking of spring charging motor , Improvement of resistance of CTs, PT, epoxy insulator and epoxy body by applying post heated varnish and testing on load complete all as specified and directed by the Engg-in-Charge.

M&L for checking the existing pressure of SF6 Gas in Gas Chamber of 11 KV , 630 Amps RMU , 5/4 way before filling and topping up the SF6 gas in the chamber of RMU including supervision of gas filling/topping up process and checking the pressure of gas after filling complete all as specified and directed by the Engg-in-Charge.

S&F in replacement operating mechanism (2PA Mechanism W/O hex Rod) for 11 KV, 630 Amps RMU , 5/4 way complete all as specified and directed by the Engg-in-Charge.

S&F in replacement cable Boots 11 KV, in 630 Amps RMU, 5/4 way complete all as specified and directed by the Engg-in-Charge.

S&F in replacement associated ring-core cast-resin insulated CTs 100/50/1 -1 Amp, 2.5 VA, 10P10 for protection in 11 KV, 630 Amps RMU complete all as specified and directed by the Engg-in-Charge.

S&F in replacement associated ring-core cast-resin insulated CTs 60/30/1-1Amp, 2.5 VA, 10P10 for protection in 11 KV, 630 Amps RMU complete all as specified and directed by the Engg-in-Charge.

S&F in replacement 1-Ph (11kV/rt3) :110 VAC, 50VA Potential transformer in 11 KV, 630 Amps RMU (Ring main unit) complete all as specified and directed by the Engg-in-Charge.

S&F in replacement 1-Ph (11kV/rt3) :110VAC, 500VA Auxiliary transformer in 11 KV, 630 Amps RMU (Ring main unit) complete all as specified and directed by the Engg-in-Charge.

Suplying and laying in replacement 3.3 to 11 KV electrical insulation mat of size 5 mtr x 1 mtr x 2.5 mm thick confirming to IS 15652:2006 complete all as specified and directed by the Engg-in-Charge.

Supplying, installation, commissioning and testing of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type, of 13.1 KA/Sec having ratio 300/150/5-5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering and associated wiring including taking down old UNSV CTs complete all as specified and directed by the Engg-in-Charge.

All as per item No 78 here-in-before but having ratio 150/75/5-5 complete all as specified and directed by the Engg-in-Charge.

All as per item No 78 here-in-before but having ratio 100/50/5-5 complete all as specified and directed by the Engg-in-Charge.

S&F Potential Transformers, Draw-out type in existing HV panel for easy maintenance, 11kV/rt3: 110V/rt3, 50VA, Cl.0.5 with associated gun-type HRC fuses and MCBs for HT/LT isolation including taking down old UNSV PTs complete all as specified and directed by the Engg-in-Charge.

Supplying, installation, commissioning and testing of PT unit three phase, three limbs, upto 11 KV draw-out type, resin cast dry type, single ratio having primary voltage 11 KV & secondary voltage 110 volts, 50 VA class-1 including necessary bus bar connections & wiring for metering including taking down old UNSV PTs complete all as specified and directed by the Engg-in-Charge.

S&F LED indication lamp for breaker ON/OFF/TRIP/Breaker Spring Charged/R-Y-B etc for 11 KV control panel and associated wiring, if reqd, including taking down old UNSV LED indication complete all as specified and directed by the Engg-in-Charge.

Supply and installation Anti-condensation space-heater withThermostatic control in cable and circuit breaker compartments of HT switchgears including taking down old UNSV heater complete all as specified and directed by the Engg-in-Charge.

S&F vacuum interrupter suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV vacuum interrupter complete all as specified and directed by the Engg-in-Charge.

S&F isolating contact assembly suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV contact assembly complete all as specified and directed by the Engg-in-Charge.

S&F contact block suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV contact block complete all as specified and directed by the Engg-in-Charge.

S&F moving contact block complete suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV moving contact block complete all as specified and directed by the Engg-in-Charge.

S&F motor & gear assembly 230V AC suitable for 400/630/800 amps, 11 KV HT VCB, testing & puting on load including taking down old UNSV motor gear assembly complete all as specified and directed by the Engg-in-Charge.

S&F spring gear suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV spring bearing gear complete all as specified and directed by the Engg-in-Charge.

S&F closing coil assembly 24 volts DC suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV closing coil complete all as specified and directed by the Engg-in-Charge.

S&F tripping coil assembly 24 volts DC suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV tripping coil complete all as specified and directed by the Engg-in-Charge.

S&F close/trip coil 24V DC for 11 KV HT VCB of capacity 400/630/800 Amps capacity including taking down old UNSV close/trip coil complete all as specified and directed by the Engg-in-Charge.

S&F panel door lock suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV panel door lock complete all as specified and directed by the Engg-in-Charge.

S&F auxillary switch (7 No + 7NC) suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV auxillary contact complete all as specified and directed by the Engg-in-Charge.

S&F T&C Switch for Breaker ON/OFF purpose in HT 11 KV VCB panel including associated wiring, if reqd, for proper functioning of switch including taking down old UNSV T&C switch complete all as specified and directed by the Engg-in-Charge.

S&F support rod with screws suitable for 400/630/800 amps,11 KV HT VCB including taking down old UNSV support road with screw complete all as specified and directed by the Engg-in-Charge.

S&F support insulator suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV support insulator complete all as specified and directed by the Engg-in-Charge.

S&F upper connector suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV upper connector complete all as specified and directed by the Engg-in-Charge.

S&F lower connector suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV lower connector complete all as specified and directed by the Engg-in-Charge.

S&F set of 6 Nos fixed arcing contacts suitable for 400/630/800 amps, 11 KV HT VCB including taking down old UNSV fixed arching complete all as specified and directed by the Engg-in-Charge.

S&F Caution plate/Sign board with writing “CAUTION MEN AT WORK" of size 40cmx15cm made out of white acrylic sheet with Red coloured glow tape including taking down old UNSV caution plate complete all as specified and directed by the Engg-in-Charge.

S&F HRC fuse of capacity 20 Amps for VCB including taking down old UNSV old UNSV HRC fuse complete all as specified and directed by the Engg-in-Charge.

S&F MCB 20 to 32 Amps DP including taking down old UNSV MCBs complete all as specified and directed by the Engg-in-Charge.

S&F Digital Volt meter Secondary voltage 110 V for 11 KV VCB Control Panel including taking down old UNSV meter complete all as specified and directed by the Engg-in-Charge.

Supply and Installation of LT CT operated Trivector Meter with the following specifications:- (a) Meter Type: LT 3 Phase 4 Wire Electronic Tri vector Meter (b) Standard: IS 13779:1999 / CBIP 88 (c) Accuracy: Class 0.5 (d) Voltage and Current rating:- (i) Reference Voltage - 3x240 V (ii) Basic Current (Ib) - 5 A (iii) Maximum continuous current (Imax) - 10 A (e) Rated Frequency (variation) - 50Hz (±5%) (f) Power consumption:- (i) Voltage circuit: Less than 1.5 W and 10 VA per Phase at reference voltage, reference temperature and reference frequency (ii) Current circuit: Less than 1 VA per phase at basic current, reference frequency and reference temperature (g) Display type: 8 digit 7 segment backlit LCD display, not less than10 mm character height (h) Display in the event of Power Failure: Internal battery back-up for LCD display (j)Communication port: (i) Galvanically isolated Optical Communication port for data transfer through either CMRI or remote device or both is provided (ii) RS 485 for DLMS protocol (iii) Energy recording - Unidirectional

Supply only in replacement Blower having volumetric flow rate 4 to 5 cum/min, 230 Volt, 50 Hz, complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Digital Multifunction Transducer/Meter (Accuracy class 0.5) with LCD/LED display for measurement of current, voltage, power, power-factor, energy parameters, Total Harmonic Distortion and Maximum Demand Indication etc and shall have RS-485 port for communication of data on Modbus protocol including associated wiring using 1.5 Sqmm FRLS copper wire complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Halogen light fittings of capacity 1000 Watt complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Halogen lamp 1000 Watt for existing Halogen light fittings complete all as specified and directed by the Engg-in-Charge.

Note : contractor should procure and provide 50 % of the material as listed above within 15 days of the placing of work order and shall be verified by the Eng-in-charge

Rajindera Enterprises

mayur enterprises

MV Engineers And Contractors

Vijay Electricals

SB ENTERPRISES

Ridhi engineers and builders

Commercial Traders